Flagged Out-of-Date Comment: arm-none-eabi-gcc49-linaro-alternative

MarsSeed flagged arm-none-eabi-gcc49-linaro-alternative out-of-date on 2023-12-04 (UTC) for the following reason:

FTBFS (fails to build from source). I suggest to delete this, as Linaro has stopped providing and promoting their own stable gcc toolchains in favor of the upstream GNU sources and ARM's binary builds.